Ventilator



July 1o, 192s.

J. M. CQUGHLIN VENTILATOR F11-ea Jari. 1o, 1927 2 Sheets-Sheet nvemfozJuly l0, 1928.

J. M. COUGHLIN VENTILATOR Filed Jan. 1o, 1927 2 sheets-sheet 2 nuenfoz iPatented July 10,1928. i

JAMES M. COUGHLIN, F Winans-BARRE, PENNsYnvANL-x."

'i' This Vinvention relates vto a ventilator for use iny connection with'alwi'ndow sash, one

, ofthe objects of the invention being to coin-` binea screen with theventilator and to pro-l vide a ventilatorof such' construction. that thewindow to which itV is attached canbe l raised and lowered withoutdisconnecting the ventilator therefrom for the purpose of regulatingthesupply oft' fresh air' adniitted ,10 through `the`K ventilator.

Y 'still 'further object is to lprovide a ventilator which'can b'edetached readilyA from i the window sash should it beldesired tov raiset" the sash independently of the ventilatorfas I' 'iii when the windowto becleaned,

A still'further object isto provide aventilator adjustable to windowlframes, (lifdi'lferent widths. i i

fA'fstill further object visjto.}:)rovid'e a ven- 20. til'ator which canbeforined'readilyoffsheet' metal,.the various parts being bentto prop-.er-shape.- Y i 1 'With the foregoing'and other objects in view whichwill appear as the description y 25 proceeds, the invention resides inthe combination and arrangement ,of parts and in the details ofconstruction hereinafter described and claimed, it being understood thatchanges-in the precise embodimentof the invention herein disclosed maybe made within the'scope of what is claimed, with. out departing :fromthe spirit of the invention.

In the accompanying drawings, the preferred form of the invention hasbeen` shown.

In said drawings,`

Figure 1 is a front elevation of the ventilator in position,- a portionvof the sash and 40 window frame being shown and said ven-y tilator beingopen to its extreme position.

Figure 2 is a section on line 2 2, Figure 1.

Figure'S is a view similarto Figure '45 showing the ventilator collapsedandy the sash closed.

Y Figure 4is a sectionV on line 4-4, Figure 3. l

Figure 5 isa section on line 5-5, VFigure 4.

Referring to the figures by characters of reference 1 designates a baseplate of sheet metal and of any desired contour, this plate beingprovided, at its ends, with integral upstanding walls 2. Each wall hasits back edgej eX-teiiding preferablyat right angles l to the. plate" 1orat any 'rate' at such anangle to said. plate that when the vplateisresting on a windowfsill, the edge 31 will Vbe, supported close toandparallelvwith they sash S with vwhich'theventilator is to beu'sed,

In the drawings the windowV sill' towhich the plateg'l isto beyattachedhasbeen shown atfW'.- A eurledflan'ge or* bead 4V is proa" videdalong` one longitudinal,A edgeof the plate 1` between the Vv'ledges' `3of the walls 2, and each'otl the vwalls Q'has its top ,edge 5 Vinclinedpreferablyfas shown and'finerging into ,al lower curved portion 161(':oilcentric withlthe hackor curled edge portion v'4 of the platel. kAnarrow retainin-giiange Tis extended along the edge. 5&6 of veach of the.Mangan-wingwww'.1a-rallye@ Vthe L11-sanding 'edge achiiofaewals 2 andis' shdably Qengagedj'byfan, extension walls 2 andVprojects,'Yi1'wmrd1-y-V therefrom y 5 as @Verhees the plaie v plate 9`having itsipper and 'lower edges I bent over to. provide retaining*flanges 10 adapted to lapthe wings 8. 'A side flange 11 is providedalong the outer side vedgeof i each extension plate 9v and this langemaybe provided with keyhole slots 12er thelike whereby the flange can bedetachably seVV l cured to the side of a window frame FV by means ofscrews .13 or the like.

An ear 14 can be provided at the bottom edge of each the sill W on whichthe ventilator issupported. Y l 'l fV The ventilator per se is made upof foldi able members one' of which is in the form of a metal plate 15extending closelto the side walls 2 and having a curled longitudinaledge 16 adapted to movably interlock with to provide a hinge connection.A siinilarl hinge connection is provided between then other longitudinaledge of the plate 15 andy a metal frame 17'. constituting the othermember of the ventilator, this hingev connection between the membersbeing indicatedv generally at 18 and including interfitting roundedportions. f Fralne "17 l carries a screen fabric 19 `and both the frame17 yand Vthe member 15 are adapted not only toextend close to the walls2 but also tol extend close to the path of the sash S yandtothe of theextension plates 9 for attachment to` .the curled portion 4 of the plate1 thereby 7 louA inner surfaces of the flanges 7. LeavesQO are hingedlyconnected to Vthat edge :portion has been shown and described at 18 andat 4r-16, it is to be understood that any'desired form or' hinge canbeemployed at each of these points. l

The parts are so proportioned that when the sash S is closed' themembers y17 .and 15 will be vfolded as shown in Figure f3.v lVhen thesash is 'movedrupw'ardly 'it' will pull through the leaves QOvu'po'n themember 17 which, in turn, will pull Aupwardly on the member vso 4thatIthe two Jn'ieinbers will swing apart and fat they same time swing aboutthe hingeconnection 1-16. lWhen the ventilator is fully extended theupper edge of the frame 17 is ypressed 'against nthe 'upper po'rtion'o'fthe 'flanges 7 and the ends ot'said frame rest snugly against theJflanges. The lower member 15 isfat'the Sametime supported in aninclinedposition as'shown particularly ijnFigure 2;v Consequently air flowing'under the sash S'will be deflected upwardly through'the screen 19 asindicated by arrows in Figure A2. vBy lowering the sash the How ofair'th'rough-the ventilator can be controlled By1'discor'inectinig Athe'leaves 20 romthe fastening devices Q2, 'the ventilatorv can` becollapsed Iand the sash raised fully, as when it isdesired to clean thesame. I

l/Vhat is claimed is:

The combination with a window screen and a Window sash,.'of :meansexposed entirely outside of the path of the sash for con troll-ing theiiow of air under the sash when open, said means including a base platemounted on the window sill of the frame, parallel walls upstanding fromthe' base plate, adjustable means 'extending laterally beyond the wallsfor attachment 'to the sides of lthe window frame, a plate detachablyand hingedly connected yto, the base yplate and having its sides insliding engagement with the upstanding walls, a frame 'hingedly'connected to the hinged plate andy having lts sides slidably engagingtlic"tip's'ta'nding walls, a screen 'fabric carried 'by ythe frame,

and means hinged tothe frame lior A-attachment to the bottom ra'ilofthe; sash, said sash beingl adapted to close ontor the sill and tomove along the outer edges of the upstanding walls to open and to closedpofsition, said plate and frame being :adapted to fold and unfoldduringV thee-losing and opening` ofthe sash. *n e In testimony thatIclaimfthe foregoing JAMES M. oouenrjrn."

as my own, I have hereto aiiixed my signai ture.

